1/* $NetBSD: output.h,v 1.28 2021/11/10 15:58:38 kre Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)output.h 8.2 (Berkeley) 5/4/95 35 */ 36 37#ifndef OUTPUT_INCL 38 39#include <stdarg.h> 40 41struct output { 42 char *nextc; 43 int nleft; 44 int bufsize; 45 char *buf; 46 short fd; 47 short flags; 48#ifndef SMALL 49 struct output *chain; 50#endif 51}; 52 53/* flags for ->flags */ 54#define OUTPUT_ERR 0x01 /* error occurred on output */ 55#define OUTPUT_CLONE 0x02 /* this is a clone of another */ 56 57extern struct output output; 58extern struct output errout; 59extern struct output memout; 60extern struct output *out1; 61extern struct output *out2; 62#ifdef SMALL 63#define outx out2 64#else 65extern struct output *outx; 66#endif 67 68void open_mem(char *, int, struct output *); 69void out1str(const char *); 70void out2str(const char *); 71void outstr(const char *, struct output *); 72void out2shstr(const char *); 73#ifdef SMALL 74#define outxstr out2str 75#define outxshstr out2shstr 76#else 77void outxstr(const char *); 78void outxshstr(const char *); 79#endif 80void outshstr(const char *, struct output *); 81void emptyoutbuf(struct output *); 82void flushall(void); 83void flushout(struct output *); 84void freestdout(void); 85void outfmt(struct output *, const char *, ...) __printflike(2, 3); 86void out1fmt(const char *, ...) __printflike(1, 2); 87#ifdef DEBUG 88void debugprintf(const char *, ...) __printflike(1, 2); 89#endif 90void fmtstr(char *, size_t, const char *, ...) __printflike(3, 4); 91void doformat(struct output *, const char *, va_list) __printflike(2, 0); 92int xwrite(int, char *, int); 93#ifdef SMALL 94#define xtracefdsetup(x) do { break; } while (0) 95#define xtrace_clone(x) do { break; } while (0) 96#define xtrace_pop() do { break; } while (0) 97#else 98void xtracefdsetup(int); 99void xtrace_clone(int); 100void xtrace_pop(void); 101#endif 102 103#define outc(c, file) (--(file)->nleft < 0? (emptyoutbuf(file), *(file)->nextc++ = (c)) : (*(file)->nextc++ = (c))) 104#define out1c(c) outc(c, out1) 105#define out2c(c) outc(c, out2) 106#define outxc(c) outc(c, outx) 107 108#define clr_err(file) ((file)->flags &= ~OUTPUT_ERR) 109#define io_err(file) ((file)->flags & OUTPUT_ERR) 110 111#define OUTPUT_INCL 112#endif 113